package com.leyou.item.service;

import com.leyou.common.exception.LyException;
import com.leyou.item.entity.Item;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.Random;

@Service
public class ItemService {

    public Item saveItem(Item item) {
        //判断价格是否为空
        if (item.getPrice()==null){
            throw new LyException(400,"价格不能为空！");
        }
        if (StringUtils.isBlank(item.getName())||StringUtils.equals("ldh",item.getName())){
            throw new LyException(401,"名称有误！");
        }
        //随机生成id 模拟数据库的新增
        int id=new Random().nextInt(100);
        item.setId(id);
        //返回新增之后的对象  回显id
        return item;
    }
}
